option('introspection', type: 'feature', value: 'auto') option('vapi', type: 'boolean', value: true) option('daemon', type: 'boolean', value: true, description: 'Whether to build the daemon') option('gtk_doc', type: 'boolean', value: false, description: 'Whether to generate the API reference for Libfeedback') option('man', type: 'boolean', value : false, description : 'generate man pages (requires rst2man)') option('tests', type: 'boolean', value: true, description: 'Whether to compile unit tests')